320 Koenig Rd is a 768 square foot house on a 116.35 acre lot with 1 bathroom. - it last sold on March 01, 1991 for $29,000. Based on Redfin's Free Soil data, we estimate the home's value is $813,071.
Single-familyProperty Type
1998Year Built
116.35 acresLot Size
$1,059Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$813,071
$784K since sold in March 1991$38K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 251.2% higher than the average sale price ($232K) of 5 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Property details
Interior
Basement Information
Basement Sq. Ft: 768
Bathroom Information
# of Full Baths: 1
Heating & Cooling
Heating Type: Forced Air
Exterior
Property Information
Living Sq. Ft: 768
Ground Floor Sq. Ft: 768
Building Sq. Ft: 768
Legal Description: SW 1/4 OF SE 1/4 AND S 1/2 OF SW 1/4 EXC A TRIANGULAR PARCEL IN SW 1/4 OF SW 1/4 DESC AS COMM AT SW COR OF SEC AS POB RUNNING TH S 89 DEG 24'10"E ALG S LINE OF SEC 398.84 FT TH N 26 DEG 29'23"W 894.48 FT TO W LINE OF SEC TH S 00 DEG 00'30"E ALG W LIN E OF SEC 796.33 FT TO POB. SEC 12 T20N R17W 116.35 A M/L G-171A G-174
Parking & Garage Information
Garage/Parking Sq. Ft: 527
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,068,206
Municipality Name: GRANT TWP
Acres: 116.35
County Use Description: RESIDENTIAL IMPROVED
State Use Description: RESIDENTIAL
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: —
Baths: 1.0
Sq. Ft.: 768
Stories: —
Lot Size: 116.35 acres
Style: Single Family Residential
Year Built: 1998
Year Renovated: —
County: Mason County
APN: 006-012-015-00
Home facts updated by county records on Jun 11, 2026
Around this home
Schools
Mason County Eastern Elementary School
Public PreK-6 • Assigned • 13.0mi
4/10
Mason County Eastern Junior High/High School
Public 7-12 • Assigned • 13.0mi
7/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.31% chance of being in a wildfire in next 30 years
1/10 Heat Factor
7 days above 95° expected this year, 13 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
5/10 Air Factor
6 unhealthy days expected this year, 9 days in 30 years
Provided by First Street
Historical weather
Free Soil, MI • 49411
Average low and high temperatures (°F)
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32
17
46
27
57
35
65
43
77
57
80
60
78
56
75
51
64
41
46
33
32
22
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Aug
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Sun exposure
In this area, properties receive around 9.7 hours in
June and 2.5 hours in December, placing it below the
U.S. average for solar exposure.
9.7 hrs
2.5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$773,000 – $936,000
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